Chen, Zhong, and Lili Zhang. “The Differences Among Educational Background, Certification Characteristics, and Professional Subgroups of Cardiologists in China: A Cross-Sectional Survey”. BOHR International Journal of Research on Cardiology and Cardiovascular Diseases 1, no. 1 (August 22, 2023): 38–43. Accessed October 28, 2024. https://journals.bohrpub.com/index.php/bijrccd/article/view/422.